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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        function Star(uname,age){
            this.uname = uname;
            this.age = age;
        }
        Star.prototype.sing = function(){//原型对象 把相同的方法放到原型对象里面 节约内存空间
            console.log('我还会唱歌');
        }
        Star.prototype.hi = function(){//原型对象 把相同的方法放到原型对象里面 节约内存空间
            console.log('我还会hi');
        }
            
        
        var ldh = new Star('刘德华',28);
        var jj = new Star('贾俊',18);
        // console.log(ldh.sing()==jj.sing());
        // console.log(ldh.hi());
        // console.log(ldh.sing === jj.sing);
        ldh.sing();
    </script>
</body>
</html>